Sierra is one of the most trusted manufacturers of high performance flow meters and controllers today. By combining superior product quality with a talented global network of flow experts, we consistently deliver the best flow measurement solution for our customer.
Our Thermal Mass, Transit-Time Ultrasonic, Vortex Shedding and Multivariable instruments are available in both standard and customized versions for applications in laboratory, industrial and hazardous environments. Sierra’s flow measurement technologies precisely measure or control very low flows of gas down to less than 1 sccm full scale as well as extremely high flows of gas, liquid, and steam.

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Sierra Instruments announced its new biogas measurement white paper, available now for free download. This new white paper offers engineers, as well as plant and facilities managers, solutions for precise biogas measurement, even with the changing gas composition, an inherent application challenge in biogas energy flow measurement. With advancements in thermal dispersion technology, the company’s... more

Sierra Instruments announced its new biogas measurement white paper, available now for free download. This new white paper offers engineers, as well as plant and facilities managers, solutions for precise biogas measurement, even with the changing gas composition, an inherent application challenge in biogas energy flow measurement. With advancements in thermal dispersion technology, the company’s... more

Sierra Instruments’ Clean Energy Guide offers engineers, scientist, plant managers, and designers alike an up close look at how Sierra is partnering with customers from all over the world to develop sustainable solutions to some of today’s most pressing environmental problems. From high-performance flow measurement tools that help create biofuel from solid wastes to unlocking the carbon history... more

QuadraTherm introduced the first four-sensor thermal mass flowmeter design—three precision platinum temperature sensors and one patented DrySense mass velocity sensor backed by a lifetime warranty. The flowmeter is available in an insertion version and an inline version. The QuadraTherm 780i inline version achieves accuracy of +/- 0.5% of reading making it the most accurate thermal meter in the... more

The Chlorine-Trak 760S thermal mass flowmeter was designed specifically to perform as an accurate and cost-effective mass flow measurement solution for chlorine injection processes found in typical wastewater treatment applications. Given the corrosive nature of chlorine gas, finding an economical measurement solution has posed a great challenge to the industry. To answer this challenge, Sierra... more

Sierra Instruments introduced the next-generation Innova-Sonic 210i, a universal transit-time flowmeter for liquid flow measurement applications. It features a high-powered ultrasonic pulse with improved digital signal processing, enabling the unit to use just one set of transducers over a wide range of pipe sizes. It also includes a new tactile push-button interface. more

Sierra Instruments is offering a two-year warranty for its entire line of Innova-Switch Flow Level Switches beginning July 1, 2010. A solid performer in the market for decades, the Innova-Switch is easy to install and adjust, giving reliable, low-maintenance performance in the most demanding applications. It features a wide operating temperature range of -100°F to 850°F (-70°C to 458°C) and a... more

Sierra Instruments announced it will offer a two-year warranty for its entire line of Innova-Switch flow level switches. A solid performer in the market for decades, the Innova-Switch is easy to install and adjust, giving reliable, low-maintenance performance in the most demanding applications. Features include a wide operating temperature range of -100°F to 850°F and a range of 0.01 ft per... more

Sierra Instruments has launched a completely redesigned website that features a new Sierra logo. The new landing page video also introduces “Think Ahead”, their global campaign that focuses on clean energy solutions and provides a PDF download of their new 40-page Sierra Clean Energy Guide. The guide details how Sierra has partnered with customers from all over the world to develop sustainable... more